13. Which one of the following civilizations was the first to introduce a system of selecting public officials on the basis of education and competitive examination?[A]Chinese civilization[B]Roman civilization[C]Aryan civilization[D]Greek civilization

14. Khajuraho is in which state of India?[A]Madhya Pradesh[B]Maharashtra[C]Orissa[D]Uttar Pradesh

15. The rock-cut temple of Kailashnath is situated at which place?[A]Ajanta[B]Ellora[C]Elephanta[D]Mamallapuram